The Davies Sports 60 Second Personal Challenge is a weekly challenge you can set yourself to help improve your fitness. These challenges only take 60 seconds to complete and require little-to-no equipment. Simplystand up from your desk and get moving. Each day of the week complete the challenge, note down how many jumps you can do and try to beat your score the next day, at the end of the week track your scores to see how well you have done.